Add vs. Append

Difference Between Add and Append
Addverb
(transitive) To join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate.
Appendverb
(transitive) To hang or attach to, as by a string, so that the thing is suspended
a seal appended to a recordAn inscription was appended to the column.Addverb
To sum up; to put together mentally.
to add numbersAppendverb
(transitive) To add, as an accessory to the principal thing; to annex
notes appended to a book chapterAddverb
(transitive) To combine elements of (something) into one quantity.
to add a column of numbersAppendverb
(computing) To write more data to the end of a pre-existing file, string, or other non-constant data type.
Addverb
(transitive) To give by way of increased possession (to someone); to bestow (on).
Appendnoun
(computing) An instance of writing more data to the end of an existing file.
Addverb
(transitive) To append (e,g, a statement); to say further information.
Appendverb
add to the very end;
He appended a glossary to his novel where he used an invented languageAddverb
(intransitive) To make an addition; to augment; to increase.
It adds to our anxiety.Appendverb
fix to; attach;
append a charm to the necklaceAddverb
To perform the arithmetical operation of addition.
He adds rapidly.Appendverb
state or say further;
`It doesn't matter,' he suppliedAddnoun
(computer science) An act or instance of adding.
Addnoun
(video games) An additional enemy that joined the fight after the primary target.
After engaging the boss for one minute, two adds will arrive from the back and must be dealt with.Addnoun
a condition (mostly in boys) characterized by behavioral and learning disorders
Addverb
make an addition (to); join or combine or unite with others; increase the quality, quantity, zise or scope of;
We added two students to that dorm roomShe added a personal note to her letterAdd insult to injuryAdd some extra plates to the dinner tableAddverb
state or say further;
`It doesn't matter,' he suppliedAddverb
bestow a quality on;
Her presence lends a certain cachet to the companyThe music added a lot to the playShe brings a special atmosphere to our meetingsThis adds a light note to the programAddverb
make an addition by combining numbers;
Add 27 and 49, please!Addverb
determine the sum of;
Add all the people in this town to those of the neighboring townAddverb
constitute an addition;
This paper will add to her reputation