Haha, no problem.
V2G - vehicle-to-grid (bidirectional charging and discharging to the grid)
V2H - vehicle-to-home (bidirectional charging, and discharging according to home needs)
V2L - vehicle-to-load, allow a load to be connected to the car, for example kettle or elec BBQ etc.
V2X - vehicle-to-everything. https://en.wikipedia.org/wiki/Vehicle-to-grid#Bidirectional_local_V2G_(V2H,_V2L,_V2B,_V2X)
First 2 need to be phase synced with grid connection, hence V2L comes first and is available on many EV's now.
V2G need communication from grid operator.
V2H only need an in-home CT clamp, it tries to zero grid draw by providing power from car battery.
CCS - Rapid charging connector, mandated by EU across Europe, https://en.wikipedia.org/wiki/Combined_Charging_System
Chademo - Rapid charging connector used on early Japanese cars, https://en.wikipedia.org/wiki/CHAdeMO
G98, G99, G100 are application to export energy, the form depends on specific install. https://connections.nationalgrid.co.uk/get-connected/solar-and-wind/generation-g99/
Nissan Leaf/eNV200, Tesla Cybertruck, Ford F150 lightning, Cupra Born, VW ID Buzz can all do V2G and V2H.
Most Korean and Chinese EV since 2020 (MG4, EV6 etc.) can do V2L.