What does append mean?
The definition of append
Ap*pend”, v. t.
[imp. & p. p. Appended; p. pr. & vb. n. Appending.]
Etym: [L. appendere or F. appendre: cf. OE. appenden, apenden, to belong, OF. apendre, F. appendre, fr. L. append, v. i., to hang to, append, v. t., to hang to; ad + pend, v. i., to hang, pend, v. t., to hang. See Pendant.]

1 To hang or attach to, as by a string, so that the thing is suspended; as, a seal appended to a record; the inscription was appended to the column.
2 To add, as an accessory to the principal thing; to annex; as, notes appended to this chapter. A further purpose appended to the primary one. I. Taylor.