1. Alternatively referred to as a Return key, when referring to a keyboard, the Enter key is used to send the cursor to the next line or execute a command or operation. Most full PC keyboards have Two Enter keys; one above the right Shift key and another on the bottom right of the numeric keypad.
Where is the Enter key on the keyboard?
Below is an overview of a computer keyboard with the Enter keys highlighted in blue on the main keyboard as well as the numeric keypad.
Note: Apple keyboards have a "Return" key next to the keyboard and an "Enter" key next to the number pad.
What if the enter key goes to the next paragraph?
In programs such as Microsoft Word when you press the Enter key it may move to the next paragraph instead of the next line. In these programs to go to the next line press the keyboard shortcut Ctrl + Enter instead of only Enter.
2. In general, enter or entering refers to when data is being placed into the computer. For example, when searching for something in a search engine like Google, you are entering a query or set of words to find more information.