Sentence:  The foure pricks or <WSD>tittles</WSD> are these. The first is a full prick or period. The second is a comma or crooked <WSD>tittle</WSD>. 
Meaning of the word marked with <WSD> tags:  Any small dot, stroke, or diacritical mark, especially if part of a letter, or if a letter-like abbreviation; in particular, the dots over the Latin letters (i) and (j).