Google Tag Manager – Key Words and Vocabulary

A tag is  JavaScript code which collects  marketing data from a website and then sends the data to a 3rd party service like Google Analytics, Google Adwords, Facebook, etc.

A trigger is a condition which must be true for a tag to execute. A trigger tells GTM when a tag should fire.

The following is an example of a trigger:

{{url}} matches

A trigger event is one of the conditions when the trigger should fire/execute. Following are the various events when a trigger can be fired:

#1 Pageview – fire on pageview

#2 Click – fire when a click event occurs.

#3 Form – fire when the form submit event occurs.

#4 History Change – fire when a user’s current browser history changes.

#5 Custom Event – fire when the custom event occurs.

#6 JavaScript Error – fire when a javascript error occurs.

#7 Timer – fire after a given interval.

A blocking trigger is a condition which must evaluate to true for a tag to not execute. A blocking trigger tells GTM when the tag should not fire.

A variable is used to store data that is used in defining a trigger and/or to pass information (like product price, google analytics account id,  etc) to the tag(s) at runtime.

I took these definitions from here:

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