Is it true or wrong that all ports of `SWITCH are in one broadcast domain?

here is a description of the sentence:

https://gss0.baidu.com/94o3dS.

it says above that all ports of HUB and SWITCH are in a broadcast domain, and each port on the router forms its own broadcast domain. I can understand the description of HUB and router, but all ports of SWITCH are in one broadcast domain , because SWITCH divides VLAN, and each VLAN is a broadcast domain.

Computer-network switch

Mar.11,2021

in the past, a switch was a LAN, and a LAN was a broadcast domain.

then the switch supports VLAN, and each VLAN is a broadcast domain.

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e5c674-27be3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5c674-27be3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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