The phrase "various sects" refers to different groups or divisions within a larger community or religion. These sects have their own beliefs, practices, and sometimes disagreements with one another. Full definition
In the name of Allah, the Beneficent, the Merciful He (Allâh) has ordained for you the same religion (Islâmic Monothesim) which He ordained for Nûh (Noah), and that which We have revealed to you (O Muhammad SAW), and that which We ordained for Ibrahîm (Abraham), Mûsa (Moses) and «Īsā (Jesus) saying you should establish religion (i.e. to do what it orders you to do practically), and make no divisions -LSB--RSB- in it (religion)(i.e. various sects in religion). (religion.blogs.cnn.com)
This is actually a very large subset of psychology that is often at odds with «mainstream» psychology due to the views practitioners have on the role of Christianity in our lives, homosexuality and other beliefs and practices that are accepted by society as a whole but not by various sects of Christianity. (wisegeek.com)
There are huge differences in spiritual beliefs between various sects of Christianity. (wisegeek.com)