A Stage is a group of Fixtures and a part of a Season. Seasons are indeed often split in more Stages, for example, the UEFA Champions League 2018/2019 is splitted in: Play-offs,
Preliminary Round - Semi-Finals,
Preliminary Round - Final,
1st Qualifying Round,
2nd Qualifying Round,
3rd Qualifying Round,
Group A,
Group B,
Group C,
Group D,
Group E,
Group F,
Group G,
Group H,
8th Finals,
Quarter-finals,
Semi-finals,
Final.
Please notice that there are Seasons with only one Stage. For example Serie A 2018-2019 has the only Stage "Regular Season".
Please also notice that the Standing object is related to the Stage object and not to the Season object. A Season may have more Standings such us the Standing of the Group A, Group B and so on...
Please notice that there are Seasons with only one Stage. For example Serie A 2018-2019 has the only Stage "Regular Season".
Please also notice that the Standing object is related to the Stage object and not to the Season object. A Season may have more Standings such us the Standing of the Group A, Group B and so on...