1.   ?    The speed with which a student speaks the SL.
2.   ?    The student is comfortable using the SL and is quite easily understood by other speakers of the TL.
3.   ?    The student makes very few mistakes when speaking in the SL and is understood perfectly.
4.   ?    The construction of understanding of the language through context.

1.   ?    how comfortable the student is when speaking in the SL.
2.   ?    communicating effectively in the TL.
3.   ?    how easily understood the student is when speaking the SL.
4.   ?    the correctness of the language being produced by the speaker.

Communicative competency is:

1. only the correctness of the language being produced by the speaker.
2. grammatical knowledge.
3. the correlation between fluency and accuracey.
4. the ability of a speaker to communicate effectively in the language.