back end

Do not use if you can correctly use a more specific term such as server, operating system, database, or network instead.

back up, backup

Two words as a verb, one word as an adjective or as a noun.

Microsoft style

Back up the files before you turn off the computer.

Save the backup copies on a disk.


Usually, a large, fast network that connects other networks.

Do not use in content for a general audience. You do not have to define backbone in content for a technical audience.


One word. Refers to the lighting that makes a flat panel display, such as that on a laptop computer, easier to read.


All right to use as a verb.


Do not use. If you have to explain the procedure, refer to the Shift+Tab key combination.

backward ...

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