To Become One in Corel Draw

Grouping
Arrange > Group ( Ctrl + G )
or
Object > Group {from version Corel Draw x7} ( Ctrl + G )
and to separated
Arrange > Ungroup ( Ctrl + U )

Combine
Arrange > Group ( Ctrl + L )
or
Object > Combine ( Ctrl + L )
and to separated
Arrange > Break Apart ( Ctrl + K )
 or
Shape Tools (F10) > Extract Subpath



Shaping
Weld
Arrange > Shaping > Weld

Join

Auto Close Curve

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cause we prefer work collaboration to make glory shape.