It means of low quality,not good enough, below average
less then par
5 under par
Do you mean Fujikura? If so, then yes, Fujikura make some of the best golf shafts in Golf.
The - in golf means under par, which is taking less shots than allotted for whether it be a single hole, a series of holes, or an entire round.
Do you mean MD golf clubs? MD golf clubs are a decent brand, but they are not the best on the market by any means. They are an ideal set for beginners and represent great value.
Catch in golf doesn't mean anything
it means "good". like super, superior or superman. Ignore the above, super- is a prefix all its own. The only relation su- has with super- is sur-, a form of sub- and super-. Su- is a form of the prefix sub- that is used only if it comes before sp, like suspect or suspicion. It means under, imperfectly, or secondary.
An eagle is two strokes under par, a birdie is one stroke under. An eagle is a better score.
one under par for that hole is par 4 and you get 3
You don't have to invent something to be good at it. If we use your logic it would mean that only people who invent something can do it or use it. With this in mind that would mean that only the Scottish could be good at golf since golf came from Scotland.
A birdie is one stroke under par on a given hole.