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based on an earlier version of the Wolfram Language.
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OwnValues

OwnValues[x]
gives the rule corresponding to any ownvalue defined for the symbol x.
Set a value for :
Display its ownvalues:
Set a value for :
In[1]:=
Click for copyable input
Display its ownvalues:
In[2]:=
Click for copyable input
Out[2]=
OwnValues returns rules corresponding to definitions made for symbols:
OwnValues can be used to set values directly:
Values can be defined by immediate or delayed assignments:
HoldPattern is used to protect the rules from their own definitions:
OwnValues has attribute HoldAll to protect against its argument's values:
Definition and Information display ownvalues but do not return them as values:
OwnValues returns a value that can be used in a program:
Evaluation of a symbol is equivalent to applying the rules for its definition:
Copy a symbol's value to another symbol:
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