Wolfram: Context (Namespace)
Context of a Symbol (Namespace)
Each Symbol is in particular “context” path. This is similar to a file name has a full path including the dir name. WolframLang “context” is similar to the directory path, or like “namespace” in many programing languages.
The GRAVE ACCENT mark ` is used for context separator, similar to the slash for file path.
- Builtin symbol typically has context
"System`"
- User-defined symbol typically has context
"Global`"

Context[symbol]
-
return the context (a string) of a symbol.
Context[Sin] (* "System`" *)