Identifier

/ˈver.i.ə.bəl skoʊp/

noun — “the invisible fence that decides where your variables can roam freely and where they’re grounded.”

/ˈneɪ.mɪŋ kənˈven.ʃən/

noun — “the unwritten rulebook that keeps your variables from turning into a spaghetti monster.”

/ˈver.i.ə.bəl ˈneɪ.mɪŋ/

noun — “the art of giving your variables a name that won’t make future-you cry at 3 a.m.”

/ˌaɪ.ɛm.iːˈaɪ/

noun — "your phone’s social security number, but slightly less secret."

IMEI, International Mobile Equipment Identity, is a unique identifier assigned to mobile devices such as smartphones, tablets, and cellular modems. It is used by networks and manufacturers to identify devices, track them, and prevent misuse or theft.

/ˈjuː aɪ diː/

noun — "universally unique identifier for storage or objects."

UUID, short for Universally Unique Identifier, is a standardized 128-bit identifier used in computing to uniquely identify objects, filesystems, devices, or records without requiring a central registration authority. UUIDs are designed to be unique across both space and time, ensuring that identifiers generated independently will not collide.