What is the meaning of universal?

noun

• Linguistics) a grammatical rule (or other linguistic feature) that is found in all languages.
  • synonyms: linguistic universal
• Logic) a proposition that asserts something of all members of a class.
  • synonyms: universal proposition
• A behavioral convention or pattern characteristic of all members of a particular culture or of all human beings.
  • usage: "some form of religion seems to be a human universal"
• Coupling that connects two rotating shafts allowing freedom of movement in all directions.
  • usage: "in motor vehicles a universal joint allows the driveshaft to move up and down as the vehicle passes over bumps"
  • synonyms: universal joint

adjective

• Of worldwide scope or applicability.
  • usage: "an issue of cosmopolitan import"; "the shrewdest political and ecumenical comment of our time- Christopher Morley; "universal experience"
  • synonyms: cosmopolitan, ecumenical, oecumenical, general, worldwide, world-wide
• Applicable to or common to all members of a group or set.
  • usage: "the play opened to universal acclaim"; "rap enjoys universal appeal among teenage boys"
• Adapted to various purposes, sizes, forms, operations.
  • usage: "universal wrench, "universal chuck"; "universal screwdriver"