platform

A raised stage from which speeches are made and on which musical and other performances are made.

A raised floor for any purpose, e.g. for workmen during construction, or formerly for military cannon.

A place or an opportunity to express one's opinion.

Something that allows an enterprise to advance.

A political stance on a broad set of issues, which are called planks.

A raised structure or other area alongside rails or a driveway alongside which vehicles stop to take in and discharge passengers.

Ellipsis of platform shoe (“a kind of high shoe with an extra layer between the inner and outer soles”).

A software system used to provide online services to clients, such as social media, e-commerce, or cloud computing.

A particular operating system or environment such as a database or other specific software; a particular type of computer or microprocessor, used for running other software.

Ellipsis of car platform (“a set of components shared by several vehicle models”).