Suppose I have a variable
var1, a function
MyFunction, and a graphic
SomePlot. I remember seeing a feature, which returned information about a particular object (either it was in Mathematica or in Python, but I don't recall the exact form or place in which I read about it). Suppose it was in a form
objects_name?, for example:
a variable, var1 = 4 etc.
a function, MyFunction[#1,#2,...] = ... etc.
2d plot... etc.
Is there something like that in Mathematica? I suppose there is, but I wasn't able to skillfully enter a proper search query in the Documentation nor in Mathematica.SE...