What do these key abbreviations mean?

Due to the Large font, some keys had to be abbreviated. Here is a brief explanation of each key:

Ins (Insert):

This key enables you to overwrite or insert text to the right of the cursor.

Del (Delete):

This key will delete text to the right of the cursor.

Hm (Home):

This key will move the cursor to beginning of the current line of text.

End (End):

This key will move the cursor to the end of the current line of text.

PU (Page Up):

This key will scroll your current window up one page.

PD (Page Down):

This key will move your current window down one page.

PS (Print Screen):

This key will take a snap shot of your screen and copy it to the clipboard. You can then paste the screen shot into another program for viewing or editing.

SL (Scroll Lock):

This key was used to change the scrolling behavior for certain programs, however not many programs utilize this feature.

PB (Pause/Break):

This key can be used to pause certain programs.

NL (Number Lock):

This key will switch the number pad to be used as a directional pad, with 8, 2, 4, and 5, being Up, Down, Left, Right, respectively.