Jesus compares the person who obeys his teaching to a man who builds a house on rock where it will be safe from floods. (See: [[rc://en/ta/man/translate/figs-simile]])
The repetition of these words indicates that they regularly called Jesus "Lord."
# Every person who comes to me ... I will tell you what he is like
It may be more clear to change the order of this sentence. AT: "I will tell you what every person is like who comes to me and hears my words and obeys them"
# built the house's foundation on solid rock
"dug the foundation of the house deep enough to reach a foundation of solid rock." Some cultures may not be familiar with building on bedrock, and may need to use another image for a stable foundation. (See: [[rc://en/ta/man/translate/figs-explicit]])