And you can fill in a form because you're supplying missing information. Fill out is generally used when you tell someone to enter all the fields on a form of more than one field. Example: Please fill out this form. Fill out means to complete by supplying requested information.
Assuming you are an Italian currently in Rome At the beginning you fill out I Giorgio Aptsiauri, country Italy, date of birth 1 Jan 1990 At the end Done at Rome on October 26 2020 As @KateBunting suggested in a comment forms in the UK do not usually ask you to say where you filled it out but in some countries this is more common.
How would you fill out the blanks in this document? "Done at ..."
In my experience (Aus) a prescription is filled out (sometimes abbreviated to filled) by a pharmacist when the medicine is dispensed. Forms are sometimes filled out, but more often filled in.
Is it "to fill a prescription" or "to fill out a prescription"?
If someone asks you to fill them in, meaning to brief or inform them about something, could it in any way be construed as an invitation for sex, as when a girl playfully says so in response to, "I ...
What is the difference between fulfill and fill? In the following example, do they have the same meaning? I'll fill the form tomorrow. I'll fulfill the form tomorrow.
word usage - Difference between "fulfill" and "fill" - English Language ...
With respect to the more common use of shortage - when used in conjunction with a commodity - rather than fill, one would be more likely to use the word satisfy, for example