For long distance casting with heavy leads, a multiplier is by far the best. I have skinned my forefinger attempting distance cast with fixed spool reels. For short distances, a large fixed spool - bait runner is best, is fine.
A multiplier has a geared retrieve on a spool that spins on an axis at right anles to the rod. A simple mechanism releases the spool, making it revolve freely for casting. Skill is required to prevent over-runs although modern multiplies have magnetic anti-backlash devices which makes casting with this reel easier for the less skilled.
A modern fixed spool reel is the most popular fishing reel in the world. The spool remains still during casting and only turns when a fish is running against the clutch or drag.
I think that the term "drag" is a better word for what happens than "clutch" and I wish that more anglers would refrain from using the latter term. To beginners it might sound like it works like a clutch in a car. It doesn't.
The biggest drawback with modern fixed spool reels as are used for sea fishing is that because you have to hold the line across your fingers, it prevents you from putting the maximum effort into a cast.
Beach casters are designed for long distance casting from beach or shore, where often you have to get out a serious distance to contact a fish. A beach caster can be as long as 14 feet, although these things take a lot of handling by people of average physique. Personally I would prefer a 11 to 12 foot length.
Uptide rods are shorter, 9 to 11 feet and are designed for casting a lead "uptide" as it were out of an anchored boat. They make ideal rods for rock fishing where you do not have to cast very far. They are excellent for playing big hardfighting fish.