Cambridge English: CPE (C2 Proficiency) - Additions & Attachments

something added to something else support or enhancement, but not essential to its core function

coming from an external source

secondary or supplementary to something more important

to add notes that explain or comment on something, such as a text, document, or image

providing additional help or support

a hobby pursued alongside one's main occupation, typically for enjoyment

unnecessary or unrelated to the matter or subject at hand

originating from or caused by external factors

to insert words or material into a text, often in a way that alters or falsifies the original

simultaneously occurring with something else as it is either related to it or an outcome of it

depending on certain conditions or factors, making something possible to occur but not certain

a section of additional material that is usually added at the end of a book