The links of the IOC pages with illustration of Olympic winter sports:
BIATHLON: https://olympics.com/ioc/international-biathlon-union
Info: What are the differences between the biathlon disciplines? (olympics.com)
BOB: https://olympics.com/ioc/international-bobsleigh-and-skeleton-federation
Info: Bobsleigh | Olympic Sport | Beijing 2022
ICE HOCKEY: https://olympics.com/ioc/international-ice-hockey-federation
Info: Olympic ice hockey at Beijing 2022: Top five things to know (olympics.com)
LUGE: https://olympics.com/ioc/international-luge-federation
Info: What is luge? Know all the rules (olympics.com)
SKATING: International Skating Union – Olympic Sport
Info: A beginner’s guide to figure skating | Olympic Channel (olympics.com)
SKI: https://olympics.com/ioc/international-ski-federation
Info: What is alpine skiing? Know all the events and rules (olympics.com)
Info: What is cross-country skiing? Know the sport’s events and rules (olympics.com)
SNOWBOARD: Info: Olympic snowboard at Beijing 2022: Top five things to know