Noun
point of tangency; point of contact
Mathematics
あたりまえだが、人と人との接点は「ことば」である。その言葉によって、考えを共有し、議論している。It's obvious but the connection between people is "words". It is by those words that thoughts are shared and arguments carried out. (electrical) contact
point of contact (between); connection; point of agreement; common ground
Also written 切点【せってん】