1. You can use the same group for a few search criterias to make them working simultaneously. So if you set there height =200 and width=100 (group 0 both) than element is only found when both criterias are applied. Different group numbers mean it is searched for group 0 first , then (if 0 gave no success) 1, etc.
2. text means comparison by each character of word, so male is not equal female. notext means that there is no such a text by that criteria. with regexp you can use regular expressions.