Name the blanks.
Variables are the blanks in a template. Good names and hints mean people fill them in correctly the first time.
Clear names
Rule 01
Say what goes in. [X] and [INSERT] tell nobody anything.
LOOKS LIKE
[CUSTOMER_TYPE]
Hints inside
Rule 02
Show the options or an example right in the blank.
LOOKS LIKE
[TONE: calm / upbeat]
Sensible defaults
Rule 03
If most people pick the same thing, fill it in for them.
LOOKS LIKE
[LENGTH, default 100 words]
Required vs optional
Rule 04
Mark what must be filled and what can be skipped.
LOOKS LIKE
[DEADLINE*] [NOTES]
Clear names. Sensible defaults. Five max.