A fully executed contract date begins once both parties signed it. In your case, since you signed them first, the date begins when the seller/affixes his signature. However, the delivery of the ratified contract should also be considered. Consult your realtor and a lawyer.
A group of spiders is called a cluster or clutter. Spiders belong to the group of animals called arachnids.
For other arthropods called daddy longlegs, see Daddy longlegs. Pholcidae, commonly known as cellar spiders, are a spider family in the suborder Araneomorphae. The family contains about 1500 species divided into about 80 genera. Some species, especially Pholcus phalangioides, are commonly called daddy long-legs spider, granddaddy long-legs spider, carpenter spider, daddy long-legger, or vibrating spider.