Cave temples had become a well-established way of evoking and enforcing a spiritual message, lying along trade routes and eliding the idea of sanctuary and the divine on the one hand with commerce and travel on the other. (The Silk Roads)
According to Webster Dictionary, elide means suppress or alter by elision or leave out of consideration. I don't understand the meaning : elide the idea of sanctuary and divine on the one hand with commerce and travel on the other.