For 2-wide pin headers, use symbol: Connector_Generic:Conn_02xXX_Odd_Even.
Odd_Even matches the footprints in the library like
Connector_PinHeader_2.54mm:PinHeader_2xXX_P2.54mm_Vertical.
For through-hole USB-C use symbol: Connector:USB_C_Receptacle_USB2.0_16P
and footprint: Connector_USB:USB_C_Receptacle_GCT_USB4085. It doesn't
include USB 3.0 signals, but does include SBU1/2 and CC1/2.
PCBs
"x" starts a new track, and while in that mode, "v" makes a via
After selecting a part of a track, press "u" to select the whole thing