If min Occurs value is 2 and max Occurs value is 5, Link must be present atleast two times in the Summar Text element and should not exceed more than 5. A wildcard item is in the form of *:* means any name in any namespace. There are two kinds any and anyattributes wildcards.Process contents can be any of the following: skip, lax or strict.
It is constraint (defines what kind of datatype to be used) on the text in the attribute value or on the text information in the element tag.type is the simpletype and the datatype for that is string.use = required explains the status of that attribute value is must.Inheritance is the key thing while using complextypes elements in Schema.Choice Either one of this, like it can be any of one, In Person or By Email.Schema can be annotated with human/machine readable content or information.
You would have seen the comments with tags, which are for human readable only, but these comments can be retreived by a program if it is used with annotation tags. The min Occurs (a non-negative integer) and max Occurs (a non-negative integer or unbounded integer) are particles, which defines how many number of times the element Link can appear.
Note: Xpath is declarative language used to retrieve particular selection of elements in an XML document by locating nodes.
Xpath is used in XSL, Xpointer and in XML Schema (for uniqueness and scope descriptions).
The properties of simple Type definitions are: annotation name and targetnamespace specifies the URI location of the element/schema.
Variety can be anyone of atomic, list and union depending on the varietys value.
Where name is the name of the attribute (self-explanatory), type being the simple type definition of what the primitive/data type is and use explains whether this attribute is required, optional or prohibited.