They did not go into the temple building where only the priests were allowed. Alternate translation: "in the temple courtyard ... into the temple courtyard" (See: [[rc://en/ta/man/translate/figs-explicit]])
"as it began to be light." Although the angel led them out of the jail during the night, the sun was rising by the time the apostles reached the temple courtyard.
This implies someone went to the jail. Alternate translation: "sent someone to the jail to bring the apostles" (See: [[rc://en/ta/man/translate/figs-ellipsis]])