Terms.

A

8 terms

• A/B Testing

• AARRR

  Acquisition-Activation-Retention-Referral-Revenue

• AI Guardrail

  A validation layer that checks model inputs and outputs against policy.

• AIaaS

  Artificial Intelligence as a Service

• API

  Application Programming Interface

• ARPU

  Average Revenue Per User

• ARR

  Annual Recurring Revenue

• Agent Harness

  The runtime scaffolding around an LLM: tools, loops, permissions and memory.

B

3 terms

• B2B

  Business to Business

• B2C

  Business to Consumer

• BaaS

  Backend as a Service

C

13 terms

• CAC

  Customer Acquisition Cost

• CD

  Continuous Delivery

• CDN

  Content Delivery Network

• CI

  Continuous Integration

• CLV

  Customer Lifetime Value

• CORS

  Cross-Origin Resource Sharing: how browsers allow cross-domain requests.

• CRDT

  Conflict-free Replicated Data Type: data structures that merge concurrent edits automatically.

• CRM

  Customer Relationship Management

• CTA

  Call to Action

• CTR

  Click-Through Rate

• CX

  Customer Experience

• Churn

• Context Window

  How much text a model can consider at once.

D

3 terms

• DAU

  Daily Active Users

• DTC

  Direct to Consumer

• DevOps

  Development and Operations

E

1 term

• ETL

  Extract, Transform, Load, moving data between systems.

F

3 terms

• FUD

  Fear, Uncertainty, and Doubt

• Feature Flag

  A runtime switch that decouples deploying code from releasing a feature.

• Fine-Tuning

  Adapting a pretrained model to your domain by continuing its training on your data.

H

2 terms

• HCI

  Human-Computer Interaction

• Headless Commerce

  A commerce backend accessed via API with a fully custom frontend.

I

4 terms

• ICP

  Ideal Customer Profile

• IaC

  Infrastructure as Code

• IaaS

  Infrastructure as a Service

• Inference

  Running a trained model to produce outputs: the runtime half of machine learning.

J

1 term

• JWT

  JSON Web Token: a signed, self-contained token format.

K

1 term

• KPI

  Key Performance Indicator

L

3 terms

• LLM

  Large Language Model: the neural networks behind modern AI.

• LTV

  Lifetime Value

• Local-First Software

  Apps that keep data on the user's device as the primary copy and sync in the background.

M

6 terms

• MAU

  Monthly Active Users

• MRR

  Monthly Recurring Revenue

• MVP

  Minimum Viable Product

• Merchant of Record

  The legal entity that sells to the end customer and owns tax, fraud and compliance.

• Modular Monolith

  A single deployable application organized into strictly bounded internal modules.

• Monorepo

  A single repository holding many projects, packages and apps together.

N

2 terms

• NPS

  Net Promoter Score

• NoSQL

  The family of databases beyond the relational model.

O

6 terms

• OAuth

  The open standard for delegated authorization.

• OKR

  Objectives and Key Results

• OLAP

  Online Analytical Processing, querying large datasets for analytics instead of transactions.

• OLTP

  Online Transaction Processing: the write-heavy, row-level workload of applications.

• ORM

  Object-Relational Mapping, working with database rows as objects in your language.

• OTT

  Over-the-Top Media Service

P

3 terms

• PPC

  Pay Per Click

• PaaS

  Platform as a Service

• Prompt Injection

  An attack that manipulates an LLM via malicious input to override its instructions.

R

4 terms

• REST

  Representational State Transfer: the resource-oriented style of HTTP APIs.

• ROI

  Return on Investment

• Rate Limiting

  Capping how many requests a client can make in a window.

• Reverse Proxy

  A server that sits in front of your app and routes incoming requests.

S

9 terms

• SDK

  Software Development Kit

• SEM

  Search Engine Marketing

• SEO

  Search Engine Optimization

• SERP

  Search Engine Results Page

• SLA

  Service Level Agreement

• SSO

  Single Sign-On: one identity provider, many applications.

• SaaS

  Software as a Service

• Serverless

  Execution model where the cloud provider runs your code without you managing servers.

• Sync Engine

  Infrastructure that replicates and reconciles data between server and clients in real time.

T

2 terms

• TTV

  Time to Value

• Token

  The unit of text and billing in language models.

U

2 terms

• UI

  User Interface

• UX

  User Experience

V

3 terms

• VPC

  Virtual Private Cloud

• Vector Search

  Finding similar items by distance between their embedding vectors.

• Vibe Coding

  Building software by describing it to an AI model in natural language and iterating on the output.

W

2 terms

• WebSocket

  A persistent, bidirectional channel over HTTP.

• Webhooks

  HTTP callbacks that push events from one app to another in real time.

G

1 term

• gRPC

  Google's high-performance RPC framework over HTTP/2.