Yes, that term is used. By referencing a cell you can use the value that is in that cell.
Relative referencing is the default for all spreadsheet applications, no matter who is the manufacturer or what version. It is the most commonly used referencing and one of the key characteristics of a spreadsheet that makes it so useful.
One location on a spreadsheet is called a "cell".
A cell.
A Cell
The area of the screen where you interact with a spreadsheet is called the spreadsheet workspace or spreadsheet view. It is where you input, view, and manipulate data within the cells of the spreadsheet.
It is the active cell.
It can simply be called a cell reference. There are a number of ways of having a cell reference in a formula. See the related question below.
A cell.
Pulling data from a cell in a different sheet is commonly referred to as cell referencing or cell linking. This allows you to reference the data from one sheet in another sheet within the same workbook. You can do this by using the sheet name followed by an exclamation mark before specifying the cell reference.
The question answers itself. Single cell referencing is when you reference a single cell. Range referencing is when you reference a range of cells.
The intersection of a column and a row in a worksheet is a cell. The address of the cell is the combination of the column and the row. The Column's address is a letter; the row is a number. Cell A1 is in the upper left hand corner. Cell B1 is to its right but cell A2 is underneath it.
The cell surrounded by a black border is typically used to indicate a selection or focus on a specific cell within a spreadsheet or table. It helps users easily identify which cell they are currently working on or referencing.