An LDAP Directory Information Tree is built of:

A.
Nodes called entries, which contain attributes, which in turn are type/value pairs

B.
Nodes called entries, which contain arbitrary ASN.1 PDUs

C.
Nodes called attributes, which are lists of entries, which in turn are type/value pairs

D.
Nodes called entries and edges which can have attributes

E.
Tables contain rows and columns; The first column in a row is the entry name, the subsequent columns are attributes