Ace of Swords: tarot meaning, upright and reversed

A crowned sword rises from a cloud above distant mountains.
Upright
clarity · decision
A clear distinction or difficult truth makes decisive action possible.
Reversed
confusion · misused force
An argument may be forceful without being clear or sound.
In a reading
The position gives this card a particular task: a description of the situation, a challenge, or guidance. Read its image and meaning alongside the other cards and the question that brought them together.
Golden Dawn correspondence
Root of Air; no decan. This is the attribution in Book T.
Sources
A. E. Waite, The Pictorial Key to the Tarot. These notes are original interpretations of the Waite–Smith imagery, informed by that text.