Streaming conversations are full of abbreviations. These plain-English definitions are a starting point; individual research providers may use more specific measurement rules.

SVOD — subscription video on demand

A paid subscription that provides access to a catalogue of on-demand video, typically billed at recurring intervals.

AVOD — advertising video on demand

On-demand streaming content supported by advertising. The term does not necessarily mean every service is free.

FAST — free ad-supported streaming television

Free, scheduled channel-style television delivered via an internet connection and funded by advertising.

CTV — connected television

Television consumption through a device that accesses internet-delivered content, such as a smart TV or connected streaming device.

OTT — over the top

Audio or video content delivered over the internet rather than exclusively through a traditional managed cable or satellite distribution service.

ARPU — average revenue per user

A financial measure used to express revenue over a defined period divided by a defined user or subscriber base. Definitions vary by company.

Churn

The proportion of customers or subscriptions that leave over a specific period, measured according to the reporter’s methodology.

MAU — monthly active users

Unique users counted as active over a defined month. Activity thresholds and deduplication can vary.

Sources & research notes

Published research is attributed to its original provider. Statistics reflect each source’s stated measurement universe and reporting period. Commentary and interpretation are editorial, not independent survey findings.

  • Editorial explainer based on commonly used industry definitions; consult individual measurement providers for precise methodological terminology.
Last reviewed: 25 October 2026. Pricing, platform features and industry data can change. Check linked primary sources for the latest figures.