The term "license" has several meanings, depending on its context.
1) In a general sense, it refers to permission or authorization to do something that is otherwise forbidden or restricted. For example, one needs a license to drive a car, practice medicine, or operate certain types of equipment.
2) It can also refer to the document that serves as evidence of such permission or authorization. This type of license may be revoked if the holder fails to abide by certain conditions or rules.
3) In copyright law, "license" refers to a legal agreement between the owner of intellectual property (such as a patent, trademark, or copyright) and another party that allows them to use the property in some way, usually for a fee. This type of license can be exclusive or non-exclusive, and may have certain restrictions on its use.
4) In computer software, "license" refers to the terms under which the software is distributed or used. These terms may include limitations on usage, copying, modification, or redistribution.