What are Annotations in Google Analytics?

Annotations in Google Analytics enable anyone to either comment or even add notes referring to specific dates and events. It also enables marking of specific dates on Google Analytics. Annotations on the interface have many customised privacy options like the choice between note to the public or shared with all the users of Google Analytics

What do you mean by ‘Advertising’?

Advertising is defined as a tool used to communicate with the end-users of the product or service being offered. As per the definition of Advertising Association of UK, advertisements are messages paid for by those who send them with the intention of influencing and informing people who receive them. Advertisers make use of all kinds