Good Morning Nairalnaders...Kindly help me to analyse each line of this SQLstatements. I need to explain to my llecturer in school.

<column[<table constraint >]
<column-definition>:column Name DataType_[DEFAULT{Default value/USER/NULL/NOT NULL/}]
<Embedded +Column-Constraint>:{CONSTRAINT-Constraint Name] UNIQUE/PRIMARY KEY/FOREIGN KEY REFERENCES Table Name{(column Name)}
[ON DELETE<Action-Specialization>]
[ON UPDATE<Action-specialization>]
hoping to get a swift response soonest. Thnx all