Undecided questions
About 契 qì - From the Kangxi Zidian

I need to understand just the sense of what is written in the Kangxi Zidian about 契 qì.
Not the complete translation of the text below, just the general meaning.

1° part

契：《廣韻》苦計切《集韻》《韻會》詰計切《正韻》去計切，????音栔。約也。《易•繫辭》上古結繩而治，後世聖人易之以書契。《禮•曲禮》獻粟者執右契。《註》兩書一契，同而別之。又合也。《周禮•天官》宰夫掌官契以治藏。《前漢•高帝紀》帝與功臣，剖符作誓，丹書鐵契。《唐書•????宗紀》木契銅魚起兵。又神合也。《神仙傳》魏伯陽作參同契二卷。又憂苦也。《詩•小雅》契契寤歎。又灼龜具。《詩•大雅》爰契我龜。《註》契，所以然火而灼之者也。又怯也。《周禮•冬官考工記•輈人》馬不契需。《註》契，怯。需，懦也。又姓。見《姓苑》。又《廣韻》《集韻》《韻會》私列切《正韻》先結切。????同????，高辛氏子，舜五臣之一，商之祖也。《書•舜典》帝曰：契，汝作司徒。別作偰????。又《廣韻》苦結切《集韻》《韻會》《正韻》詰結切。????同挈，勤苦也。《詩•邶風》死生契闊。又疎闊也。

Additional Details:

2° part

《前漢•范丹傳》行路急卒，非????契闊之所。又刻也。《呂覽》契舟求劒。與鍥通。又絕也，缺也。《司馬相如•封禪文》陛下謙讓而弗發，契三神之歡。《註》三神，上帝，泰山，梁父。
《前漢•毋將隆傳》契國威器。又《集韻》欺訖切，音乞。契丹，國號。宋爲南朝，契丹北朝，後攺號遼。又訖黠切，音拮。戲也。又叶似入切，音習。《禰衡顏子????》知微知章，聞一覺十用舍行藏，與聖合契。从丯从刀从大。俗作契，非。

Additional Details:

I need to say just one thing: What makes Italki a great community, is the presence of people like all of you.
Really thanks for your patience and availability!