Sentence:  Out of long experience I have found that <WSD>incidental</WSD> figures and other objects like trees , logs , and bushes can be traced from the original sketch and moved about in the major areas on the final sheet until they occupy the right position , which I call ' clicking ' . 
Meaning of the word marked with <WSD> tags:  (sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence