To answer this look at the hitory of the "reformation". (see related link below).
The Romans based their gods on the Greek gods and only changed the names.
The Government can limit religious practices if the practices are harmful to others.
how do you show respect for the religious practices of different religious sect
they sacrificed people as one of their main religious practices
Jehovah's Witnesses pray to Jehovah God in their religious practices.
No, nuns typically cover their hair as part of their religious practices.
Yes, Muslims pray to God as part of their religious practices.
Yes, Protestants do participate in communion as part of their religious practices.
The Pharisees began their religious practices and beliefs around the 2nd century BCE.
sacrefices
Given the great variety of religious practices, and the great variety of people who engage in those practices, and the great variety of interpretations which that great variety of people make about the great variety of religious practices that they practice, the answer is, it can mean just about anything.
In anacient Greece was theatre seen as a threat to Greek religious practices?