The Esc key.
The copy area and source area can both to refer to the cells that you are making a copy of. Another use of source area, is the cells used in the process of consolidation of data.
Yes you can use headers in Excel. You can also use footers. Like in any kind of printed document, there is a margin area in which headers and footers can be used.
When margin is increased, the area for text might increase or decrease. It depends on margin area.
Usually, you would use the copy and paste options for that.
To remove the dashed border from the source cells after pasting in Excel, simply press the "Esc" key. This action will clear the border without affecting the pasted data. Alternatively, you can click anywhere outside the pasted area to achieve the same result.
They can be called the destination cells, destination area, paste area, or target.
There is no copy area in Excel, but Windows has a clipboard where you can copy stuff.
The browser sets the margin. The size is determined by the browser. The margin clears an area around an element. The margin can be adjusted to your specific needs.
Excel does not have a specific chart area. You might be referring to the area within a chart where you can change the legend and other information. You will find chart tools on the Insert tab of the Excel 2007 ribbon.
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Sometimes. A margin can be the area along an edge, border, or perimeter. In many uses, a "margin" is an inset or offset from the boundary of an area. An example is the blue line on loose leaf or notebook paper, that marks the left margin. Margins keep the text from being on the edge, where it may become unreadable or smudged.