Confused by technology jargon? Not anymore. Here’s a rundown of the tech-speak words you should know related to proptech, apps and other tech that’s quickly dominating real estate today.

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This article was last updated on Feb. 26, 2024.

Whether you’re new to listing homes or a seasoned, referral-only buyer’s agent, real estate technology continues to change the way the industry operates.

Brokers and agents have to be ready to shift when consumers do, and part of that is knowing what your clients and your technology vendors are talking about.

What follows is an ever-growing list of terms that are marching their way into today’s everyday business vernacular. Some you might know, and others you should get to know.

1. App

No longer used to describe only the software on your phone, it’s now the go-to term for any type of software. Mobile apps are on your phone. Browser and web apps are accessed through Chrome, Firefox, etc., and desktop apps are installed on your computer.

2. API

Application programming interface. It’s often thought of as a “bridge” that connects two software systems, but it also refers to the way web applications are built. Developers use APIs to access data and features of other products to use in their own. Map searches often use the Google Maps API; property search sites may use one of Zillow’s APIs.

3. Back-office

Accounting, financial and legal business operations required of brokers to process and distribute commissions, delegate operating funds and generally keep an office running. Back-office solutions are often a part of transaction management products or sold stand-alone.

4. Back end

The code, databases, applications, linkages and “parts” that power a website or proptech. In the most traditional sense, what software developers create.

5. Blockchain

An interconnected public digital ledger that records transactions and monitors assets in a shared, peer-to-peer platform.

6. Companion app

The mobile app version of a desktop or web app. Not to be confused with a mobile-responsive, but rather a mobile app version of the software.

7. Computer vision

A form of artificial intelligence that analyzes photography, video and other forms of published or physical visuals for the purpose of understanding objects and content. Used in real estate primarily to read listing photos, interior content and video for overlapping property characteristics with consumer interest, market trends and other drivers of real estate decisions.

8. Consumer Permissioned Data (CPD)

The concept, largely a component of fintech, that consumers can control precisely what data lenders, credit agencies and other financial players are allowed to use in making credit decisions. CPD often involves APIs controlling preauthorized information specifically indicated as accessible by the consumer.

9. Conversion

Turning a lead into a client. Marketing software products, vendor-provided drip campaigns, CRM funnel structures and all forms of paid lead generation systems should be measured largely by conversion rates.

10. CMS

Content management system. The software most often associated with website design and editing. It allows for the input of text, creation and management of pages, insertion of videos, charts, tools, menus, etc. WordPress, Squarespace and Wix are common examples.

11. CRM

Customer relationship management. Actually a business function. The majority of software options marketed under this abbreviation have far outgrown it. It’s used to categorize a simple database of contacts with simple features such as scheduled follow-up reminders, alerts to birthdays and notes on each contact instance.

12. CTA

Call to action. Text, buttons, forms, banners and other interactive features on an advertisement, website, or landing page, designed to encourage a user to take action, such as “How much is your property worth?” or “Subscribe now to find your dream home!”

13. Digital twin

A digitally created version of a physical object used to simulate actual interaction with the object. In real estate, a version of a home interpreted by a 3D capture process and enhanced graphical renderings most often associated with virtual home tours.

14. Data visualization

The translation of complex data into palatable visual aids and analyses, such as graphs, charts, color variations and heat maps.

15. eNotes

Electronic promissory notes. A method to ensure ownership of real property using digital verification and electronic documents. DocuSign is a popular vendor facilitating eNotes, as is MERS.

16. Exposure fusion

Increasingly popular technical photography process that combines multiple exposures to control over-exposure and distracting natural light. Often used to reduce glare from windows in interior photos, which allows viewers to see exterior environments.

17. Fintech

Financial technology. Industry jargon for the branch of consumer software and underlying technology solutions that address aspects of money management, funds transfers, lending, investing and other legacy operations. Often, it involves Web3 technologies, such as blockchain, decentralization technologies and cryptocurrencies.

18. Front-end

The user-facing component of a website or software product; the collective features, buttons and interactive tools of a software product.

19. Funnel

The process of taking a person from prospect to formal client, usually involving a series of interactions that collect an increasing amount of personal information and increased permission to deliver marketing messages. Usually starts with an email newsletter sign-up and ends with formal buyer or listing agreements.

20. GPT

Generative Pre-trained Transformer. A type of large language model that underlays generative artificial intelligence models used primarily in natural language processing systems and taught by large volumes of content. GPT is associated with OpenAI’s ChatGPT because the company was the first to create/publish a GPT-based engine.

21. HDR

High dynamic range (imaging). In photography and visual displays, a technology that combines multiple, varied exposures simultaneously to improve the range of light to dark, improving the physical capabilities of the camera’s native mechanisms. It can greatly improve property pictures. It’s found on many photography apps, but not always needed nor always beneficial.

22. LLM

Large Language Model. A language model is a form of machine learning model used to predict and generate natural language, often defined by what subject or long-form prompt is used to get the model to respond, according to what it’s been trained. An email composer (e.g. Gmail) suggesting your next word is using a language model. LLMs have emerged as computer power and data availability has increased, allowing for servers to process more input and output entire sentences, paragraphs and entire essays.

20. MERS

Mortgage Electronic Registration Systems, Inc. A national database of mortgage ownership that helps create and set standards for eNotes.

23. MERS eRegistry

A product gaining momentum in the e-mortgage sector that securely stores eNotes to prove who owns a mortgage note.


Mortgage Industry Standards Maintenance Organization. Organization supporting common language and data standards for exchanging information across the mortgage finance industry, primarily to encourage adoption of e-closings.

25. Metadata

Data about data. In real estate, some software providers are technically embedding property images with metadata that describes what’s in the image, such as specific appliances in a kitchen or siding materials on exterior image. Tactically speaking, metadata can increase effectiveness of search results. Time stamps and geotags in Instagram pictures are a form of metadata.

26. Metatags

Umbrella terms used to describe the content of a web page to assist in search accuracy. Often materializing in CMS widgets and SEO plug-ins.

27. Mobile first

User experience design tactic of a web app that prioritizes use on mobile devices but isn’t necessarily a mobile app.

28. Mobile responsive

Describes how web apps recognize use in a mobile browsing environment and varying screen sizes, automatically adjusting its features, icons and user interface to the technical parameters of mobile screen.

29. Omnichannel

Comprehensive marketing and sales tactics leveraging “most” common forms of consumer media, such as print (postcards and brochures), web (landing pages, pay per click, banner and display), email marketing, Instagram, Twitter, Facebook, YouTube, etc. Integration of multiple forms of outreach with a similar message.

30. QR Code

Quick Response code. A digitally printed tag embedded with markers able to be read by an imaging device meant to link to web-served content or produce text. Barcodes read information horizontally, QR codes recognize both horizontal and vertical identifier.

31. RON

Remote online notarization. Notaries use video technology and legal digital signatures to legally authorize closing documents.

32. SEM

Search engine marketing. Often associated with search engine optimization (SEO). SEM refers to tools and tactics used to leverage web search, such as paid advertising, business listings and pay-per-click campaigns.

33. Tech stack

The amalgamation of software products a company chooses to help streamline operations, intended to work together in a “stack” to address respective components of the operation.

34. UX

User experience. The overall functionality of a software product as it relates to users’ ability to access features, navigate its content and reach the intended purpose of the product. It incorporates the user’s physical and emotional reaction to the product.

35. UI

User interface or interface design. How the text, colors, iconography, aesthetics and functions access contribute to an app’s UX. How the “look and feel” assists or detracts from a person’s use of a product. Does a form pre-populate? Is it easy to save a search? Does a property page show its pertinent data?

Have a technology product you would like to discuss? Email Craig Rowe

Craig C. Rowe started in commercial real estate at the dawn of the dot-com boom, helping an array of commercial real estate companies fortify their online presence and analyze internal software decisions. He now helps agents with technology decisions and marketing through reviewing software and tech for Inman.

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