EASA requirements: -
(A) pre-taxi checks;
(B) starting, control of speed and stopping;
(C) engine handling;
(D) control of direction and turning;
(E) turning in confined spaces;
(F) parking area procedure and precautions;
(G) effects of wind and use of flying controls;
(H) effects of ground surface;
(I) freedom of rudder movement;
(J) marshalling signals;
(K) instrument checks;
(L) air traffic control procedures
Disclaimer: The material presented in these YouTube videos should not be used in place of actual ground or flight instruction. Consult a certified flight instructor before attempting to conduct any flight maneuvers.
The following training videos supplement the flight training syllabus in the Flying Training Manual
Taxiing

Taxiing - Airport symbols, Ground movement
Taxiing - Level 1
Taxiing - Level 2
Runway Signs, Lights and Runway Markings
How to Taxi in a X-Wind | Cross wind taxi procedures
Control Inputs while Taxiing
1 - Airport Runway, and Taxiway Signs, Markings, Lighting
2 - Airport Signage
3 - Airport Lighting