the.com/keyword
The word that does the heavy lifting while every other word naps.
means A significant word used to find, index, or unlock something — in search, code, or topic.
from From key (the unlocking kind) plus word, coined in the 1800s for index terms that opened a book's contents.
ProgrammingReserved words like if and return computers refuse to share.
SEO obsessionMarketers stuff these until sentences stop sounding human.
Library rootsPredates Google by over a century of card catalogs.