Markup, within the context of digital paperwork, refers back to the act of annotating or including notes. A PDF brief for Transportable Doc Format is a generally used file kind that preserves formatting and format throughout totally different gadgets. If you mark up a PDF, you are basically including your individual annotations that can assist you perceive or share the doc.
For example, you might spotlight vital sections, add sticky notes to report your ideas, or draw shapes to emphasise sure areas. These markups could make it simpler to collaborate with colleagues, retain data, and shortly find particular sections while you revisit the doc.