IBM 3270 User Manual page 42

Now let's try some other things:
First, let's do cursor movement by word:
Position the cursor at this line and then use the AL T shift of the
Cursor Left key (double left arrow) to move the cursor to the
previous word and the AL T shift of the Cursor Right key (double
right arrow) to move the cursor to the next word. Also, try holding
these keys down to note how they operate typematically.
Experiment with these keys to get a feel for how they work.
Now let's see how the new delete capabilities operate.
First, character delete (typematic). (On some keyboards, the
Character Delete key is not typematic. For these keyboards, Entry
Assist has duplicated the character delete capability on another key
[the ALT shift of the key labeled with braces, { }, on U.S. English
keyboards] and has made it typematic.) To try the Character Delete
key, position the cursor under the first character of the following
sample sentence, and hold down the typematic delete key to delete
multiple characters:
Sample Sentence: This is a sample sentence.
The other delete capability is the word delete. It deletes from the
current cursor position to the end of the word. Place the cursor
under any character of the sample word below and use the Word
Delete key (the one
labeled~)
to see how it operates.
Sample Word: Supercalifragilisticexpialidocious
Note that the word delete capability deletes from the current cursor
position to the end of the word and moves following words on the
same line leftward to fill in the vacated positions. Type some more
words in the space below and then delete them to get a feel for the
word delete capability.
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