Quick meaning
Moving your finger across the touchscreen to navigate, delete, or scroll.
Think of it like this
Like brushing crumbs off a table to clear content, or turning a page in a book.
Where you may see this
You may see this inside app stores, app settings, software updates, and install instructions.
Why it matters
Knowing the term helps you understand what an app is asking you to do before you tap, install, or change anything.
Say it simply
Swipe Gesture means: Moving your finger across the touchscreen to navigate, delete, or scroll.