The difference between Arrange and Digest

When used as verbs, arrange means to set up, whereas digest means to distribute or arrange methodically.

Digest is also noun with the meaning: that which is digested.

check bellow for the other definitions of Arrange and Digest

Arrange as a verb (transitive):

To set up; to organize; to put into an orderly sequence or arrangement.
Arrange as a verb (transitive, intransitive):

To plan; to prepare in advance.

Examples:

"to arrange to meet; &ensp; to arrange for supper"
Arrange as a verb (music, transitive, intransitive):

To prepare and adapt an already-written composition for presentation in other than its original form.

Digest as a verb (transitive):

To distribute or arrange methodically; to work over and classify; to reduce to portions for ready use or application.

Examples:

"to digest laws"
Digest as a verb (transitive):

To separate (the food) in its passage through the alimentary canal into the nutritive and nonnutritive elements; to prepare, by the action of the digestive juices, for conversion into blood; to convert into chyme.
Digest as a verb (transitive):

To think over and arrange methodically in the mind; to reduce to a plan or method; to receive in the mind and consider carefully; to get an understanding of; to comprehend.
Digest as a verb:

To bear comfortably or patiently; to be reconciled to; to brook.
Digest as a verb (transitive, chemistry):

To expose to a gentle heat in a boiler or matrass, as a preparation for chemical operations.
Digest as a verb (intransitive):

To undergo digestion.

Examples:

"I just ate an omelette and I'm waiting for it to digest."
Digest as a verb (medicine, obsolete, intransitive):

To suppurate; to generate pus, as an ulcer.
Digest as a verb (medicine, obsolete, transitive):

To cause to suppurate, or generate pus, as an ulcer or wound.
Digest as a verb (obsolete, transitive):

To ripen; to mature.
Digest as a verb (obsolete, transitive):

To quieten or reduce (a negative feeling, such as anger or grief)

Digest as a noun:

That which is digested; especially, that which is worked over, classified, and arranged under proper heads or titles
Digest as a noun:

A compilation of statutes or decisions analytically arranged; a summary of laws.

Examples:

"Comyn's Digest"

"the United States Digest"
Digest as a noun:

Any collection of articles, as an Internet mailing list "digest" including a week's postings, or a magazine arranging a collection of writings.

Examples:

"Reader's Digest is published monthly."

"The weekly email digest contains all the messages exchanged during the past week."
Digest as a noun (cryptography):

The result of applying a hash function to a message.