It is the active cell, the one that is highlighted. This is indicated by a heavier border around it. Pressing F2 will activate Edit mode so that you can type in data to the cell. You will see the cursor flashing when this happens. You usually use the F2 when you want change something that is already in the cell. This is Edit mode. You can also just start typing when there is nothing in the cell already. This is Enter mode.
schegma
active cell
If the cell is selected then it would be called the active cell. In practice, every cell is ready for data entry, so on that basis there is no special name for them. To put data into a cell, it must be selected and it then becomes the active cell.
Active cell
Data Type indicates the type of data that can be stored in a field.
Click on the cell and edit the contents in the formula bar at the top of the screen, double-click the cell and edit in the cell, or click on the cell and press F2 to edit within the cell.
In Excel, you can set validation rules on a cell to ensure the data meets specified conditions before Excel will accept the entry.
data type
the data which is accepted is called ACCEPT DATA!
cell data
cell data
It is to decide what the data indicates about the hypothesis or problem being investigated.