I am a freelance editor and a member of Editors Canada. Previously, I was a technical editor at the software company VMware. Before that, I was a senior technical support engineer at VMware.
A distinction can be made between syntax (sentence construction) and semantics (meaning).
Therefore, I can say that something is
They are cooking apples.
syntactic but ambiguous,
Colourless green ideas sleep furiously.
syntactic but nonsensical, or
All your base are belong to us. I can haz cheeseburger?
asyntactic but comprehensible.