H:     Horizontal Orirntation.Default Oritation is Hirizontal so The H: Can bei omitted.

V:    Vertaical Oritation

|      Indicates the superCiew

-  Statdard space

-N-   an N-sized spacing

[view] indicates a subview

==,>=,<=  Relation opreations.Can only be used in size constaints.

@N  Constaints priority. Can only be used in size constaits. Default priorirt is 1000.



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