This article explains how to copy and paste on Android devices. Additional information is about cutting and pasting on Android. Instructions apply to any Android device, regardless of manufacturer.
Android for Beginners – How to Copy and Paste
To copy a word, sentence, paragraph, or other block of text from a web page, message, or other resource:
Tap and hold a word in the section you want to copy. The text will be highlighted and handles will appear on each side.
Drag the handles to highlight the text you want to copy.