Explanation:

LIFO is a fundamental principle in computer science, particularly in data structures like stacks. It stands for 'Last-In-First-Out'. This principle dictates that the last element added to a data structure is the first one to be removed. Imagine a stack of plates: the last plate placed on top is the first one you would take off. This contrasts with FIFO (First-In-First-Out), used in queues. Options (b) 'Left-in-First-Out', (c) 'Last-in-Finish-Out', and (d) 'Lost-in-First-Out' are not recognized acronyms or principles in the computer field. Therefore, 'Last-In-First-Out' is the correct and widely accepted meaning of LIFO.