Are the six sense faculties the sense organs, sense objects, and sense
consciousnesses, considered all together?
There seems to be, in Theravada Buddhism, differences between
- sense faculties (control of the eye)
- internal sense bases (the material of the eye necessary for vision)
- sense doors (how consciousness gains access to visible objects)
See the The Abhidhammattha Sangaha, By Bhikkhu Bodhi, p144
Is there anything else that (conventionally) makes up a (conventional)
The internal sense bases, along with the external sense bases, make up all that there is. But this isn't, it seems, the case for the sense faculties and their objects.
See The Connected Discourses of the Buddha: A New Translation of the Samyutta Nikaya, p1122
What canonical literature talks about nirvana in terms of the six
Enlightenment seems to involve understanding
as they really are the gratification, the danger, and the escape of
these six faculties
Connected discourse 48 III.
Furthermore, an arhat understands they are beyond training by knowing that
the six faculties will cease completely and totally without remainder
what difference does it make if we think about "ourselves" in terms of
Aside from stressing the active nature of the senses, as opposed to the more passive internal bases, the Buddha in the Pali tradition said different things in different terms. Concerning the six sense faculties
I believe that e.g. ch'an Buddhism treats the faculties no differently to the internal sense bases.