demonstrations >> /dɛmənˈstreɪʃ(ə)n/
Definition: [noun] An act of showing that something exists or is true by giving proof or evidence.
Example: his demonstration of the need for computer corpora in language study is convincing
Definition: [noun] A practical exhibition and explanation of how something works or is performed.
Example: a microwave cookery demonstration
Definition: [noun] A public meeting or march protesting against something or expressing views on a political issue.
Example: a pro-democracy demonstration