[SOLVED] What purpose do sentence 3 through 6 serve in this paragraph

What purpose do sentence 3 through 6 serve in this paragraph
1 my family has a quaint cottage at a small,private lake. 2 the cottage is about 75 years old, but we try to keep it in good condition. 3 the outside is white with green trim on the windows and shutters. 4 in front of the cottage is a flagstone walk that leads down to a stone patio itself is right next to the water. 6 out from the patio stretches a dock where we keep a small rowboat tied. 7 ever summer , my family sets aside a week when we all get together at the lake for a family vacation/reunion.
What purpose do sentence 3 through 6 serve in this paragraph
1 my family has a quaint cottage at a small,private lake. 2 the cottage is about 75 years old, but we try to keep it in good condition. 3 the outside is white with green trim on the windows and shutters. 4 in front of the cottage is a flagstone walk that leads down to a stone patio itself is right next to the water. 6 out from the patio stretches a dock where we keep a small rowboat tied. 7 ever summer , my family sets aside a week when we all get together at the lake for a family vacation/reunion.

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