Liquid tags are the programming logic that tells templates what to do. Tags are wrapped in:
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Control flow tags — Control flow tags create conditions that decide whether blocks of Liquid code get executed.
Deprecated tags — Learn which Liquid tags have been deprecated, and the alternatives that are available.
Iteration tags — Learn about iteration tags that run blocks of code repeatedly.
Theme tags — Theme tags output HTML markup specific to your template, define theme layouts and snippets, and break up returned arrays into more than one page.
Variable tags — Use variable tags to create new Liquid variables.