Code coverage means, how well your test set is covering your source code. i.e. to what extent is the source code covered by the set of Test cases. As mentioned in above answers, there are various coverage criteria, like paths, conditions, functions, statements, etc.
Chiasmus. Definition: Chiasmus is a specific type of parallelism. It consists of two parallel phrases in which corresponding words or phrases are placed in the opposite order.
comitant strabismus (concomitant strabismus) that in which the angle of deviation of the visual axis of the squinting eye is always the same in relation to the other eye, no matter what the direction of the gaze; due to faulty insertion of the eye muscles.convergent strabismus esotropia.divergent strabismus exotropia.oncomitant strabismus (nonconcomitant strabismus) that in which the amount of deviation of the squinting eye varies according to the direction in which the eyes are turned. vertical strabismus that in which the visual axis of the squinting eye deviates in the vertical plane; see hypertropia and hypotropia.