Here is another example of a simple stylization of a logotype. The "A" in Water has a water droplet replacing one of the stems from the letter. A good modern logotype who's symbolism is easily identified.
I feel like if I think about it too long, I want to say it's not easy to read. But then I realize that I knew what it was as soon as I saw it, so obviously its working. Being recognizable is very important.
A cleverly-done checklist logo - by Jimmy Goedhart
Water drop logo x
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25 Fantastic Logo Designs - Corporate Identity by Paragon Marketing Communications