A plan is a worksheet for one occasion: who you are buying for, the options you are weighing, what they cost, and the reason you settled on one. Nothing here reaches the diary until a gift is actually given.
New plan
Going with
The entry stays in the plan as a record of the decision. It never enters anyone's gift history.
This writes a gift record into the diary. The reaction can be added there later.
Your library
The built-in types cover most gifts. Add your own when something keeps coming up: sweets, tools, sports gear.