You are looking at a command called pat

pat {object}

You can pat a dog or any other friendly object.

pat the huge dragon

Some objects will react to being patted.

Similar commands:
read the command called pet
read the command called use
read the command called catch
read the command called throw


scripting example
if target of pats then purrr;
##purrr:
$sound = (purrs,growls,numbles something,blinks,laughs);
print "[$actor] silently $sound";
Code