First and last

"First" and "last" are terms used to identify the beginning and ending points in a sequence. "First" refers to the initial item or event in an ordered list or series, such as the first page of a book or the first person to arrive. "Last" indicates the final item or event, like the last chapter or the last person to leave. These terms help organize and understand the position of items in a sequence, providing clarity about where something starts or ends within a context.