以太网络端口

• 人(person; human (pictographic))RADICAL

A person holding a tool means "to use" or "to take" in order to work.

• 大(large person; person with arms spread)RADICAL
• 丶(dot; emphasis mark)ASSOCIATIVE

A person with outstretched arms grows larger with a dot below to emphasize supreme greatness.

• 糹(silk thread; filament)RADICAL
• 罔(net; without)PHONO-SEMANTIC

Silk threads woven together form a net to catch fish, just like a network that spreads everywhere.

• 立(stand upright; erect)RADICAL
• 耑(sprout; bud)PHONETIC

Standing upright and straight from beginning to end is the meaning of the character 端.

• 口(mouth; opening)ASSOCIATIVE

The character 口 is drawn as an open mouth shape for speaking or eating.