Cloud, data & platform systems · Core
Software as a service
Also called: SaaS
ELI5
Software used online rather than installed and managed by each customer.
Used in conversation
“The SaaS model includes hosting and updates.”
Definition
Software hosted by a provider and accessed by customers, usually through a subscription.
Here “Software as a service” means: Software hosted by a provider and accessed by customers, usually through a subscription.
Pitch context
You will see “Software as a service” in product strategy decks, roadmaps, experiments and architecture reviews when the discussion reaches cloud, data & platform systems.
Why it matters: It helps a reader interpret cloud, data & platform systems without confusing the measure, decision, role or evidence being discussed.
Sources & evidence · 2
Direct term-level sources and supporting source families.
- National Institute of Standards and Technology — Computer Security Resource Center GlossaryDirect source · primary · checked 2026-08-16
- Scrum Guides — The Scrum Guide — official current versionSupporting source family · primary · checked 2026-08-16