PrintButton
An active sheet is the worksheet you currently are accessing.
It is the cell selected at the current time. If you start typing, what you type will appear in that cell. Only one cell can be the active one, even when you have lots of cells selected. It will always be a different colour to other selected cells if others are selected.
Yes, a chart in Excel is created from data that has been selected in the worksheet.
Print to file check box.
You would print only the selected chart or object.
Delete is the command that removes selected cells from the worksheet and shifts the remaining rows up or shifts the remaining columns to the left
You can insert rows above or below the selected row. You select what you would like to do on the insert worksheet rows menu.
Sizing handles appear around the control that is currently selected?
display the text at an angle in the selected cells wrap text in the selected cells
worksheet
Normally the whole set of data in the worksheet or the current chart sheet or the selected print area if one has been set.
Cells are the fundamental element of a worksheet. All formulas are put into them. Most functions and formulas will reference cells on the worksheet. So cells are extremely important in Excel. Without them, you do not have a worksheet.