This is the next part of the story. Jesus has traveled from Jerusalem to Galilee. A crowd has followed him up a mountainside. These verses tell the setting of this part of the story. (See: [[rc://en/ta/man/translate/writing-background]])
It is implied in the text that Jesus traveled by boat and took his disciples with him. AT: "Jesus traveled by boat with his disciples" (See: [[rc://en/ta/man/translate/figs-explicit]])