The Campaign Builder's Guild

For the first, yes. "if you for example were to shape water into a small hill you would have to drain people in the vicinity?" That is a type of limit.

Oh, the Runelords are a bestselling series- and begins very uniquely.

Yes, you increase your own speech skill, or glamour, or speed by robbing the other person of it by placing a runic lock... but there is a limit to the amount of locks (forcibles) that can be placed on one person, so instead of direct 1-1; some "Runelords" use foci- and get volunteers to serve as conduits for the power.

Example:
XXXXXXXXX---->Y------>Z
AAAAAAAAA---->A------>Z

It is interesting.

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Another one:
LIMIT- The more power you use, the weaker it gets. There is a finite amount of magic within each person. So you have to do increasingly complicated rituals to get the same result. OR you just "burn out" after your number is exerted (like the amount of eggs in a woman...)

Another one: From Watt-Evans' Ethshar's Warlockry.
LIMIT: The more you use, the stronger the call comes to go off to the Source of Magic. Once you use too much, you have to go to the source of magic and disappear...

power: The more you use, the stronger you get- just by default (from channeling the power). [That might be a copy of what you have already]

The last two and the lifeforce one i can figure in, but how would you represent the Runelord-magic?

added the side effects group (which is in parentheseses because it only applies sometimes) with three traits , and the connection and supply traits in two of the other categories.
Also, i think you can adequately describe the runelord magic with "limited [ability] connection runic arbitrary art" based on my current knowledge. With arbitrary being the amount of people you can imprint.
Does it look good?