Array and Heap

array

An orderly arrangement.
- usage: "an array of troops in battle order"
An impressive display.
- usage: "it was a bewildering array of books"; "his tools were in an orderly array on the basement wall"
Especially fine or decorative clothing.
- synonyms: raiment, regalia
An arrangement of aerials spaced to give desired directional characteristics.

Lay out orderly or logically in a line or as if in a line.
- usage: "lay out the clothes"; "lay out the arguments"
- synonyms: range, lay out, set out
Align oneself with a group or a way of thinking.
- synonyms: align

(n.) Order; a regular and imposing arrangement; disposition in regular lines; hence, order of battle; as, drawn up in battle array.
(n.) To deck or dress; to adorn with dress; to cloth to envelop; -- applied especially to dress of a splendid kind.
(n.) To place or dispose in order, as troops for battle; to marshal.
(n.) The whole body of jurors summoned to attend the court.
(n.) To set in order, as a jury, for the trial of a cause; that is, to call them man by man.
(n.) A ranking or setting forth in order, by the proper officer, of a jury as impaneled in a cause.
(n.) The whole body of persons thus placed in order; an orderly collection; hence, a body of soldiers.
(n.) An imposing series of things.
(n.) Dress; garments disposed in order upon the person; rich or beautiful apparel.
(n.) The panel itself.

Webster's Revised Unabridged Dictionary

heap

A collection of objects laid on top of each other.
- synonyms: pile, mound, agglomerate, cumulation, cumulus
Often followed by `of'. ( a large number or amount or extent)
- usage: "a batch of letters"; "a deal of trouble"; "a lot of money"; "he made a mint on the stock market"; "see the rest of the winners in our huge passel of photos"; "it must have cost plenty"; "a slew of journalists"; "a wad of money"
- synonyms: batch, deal, flock, good deal, great deal, hatful, lot, mass, mess, mickle, mint, mountain, muckle, passel, peck, pile, plenty, pot, quite a little, raft, sight, slew, spate, stack, tidy sum, wad
A car that is old and unreliable.
- usage: "the fenders had fallen off that old bus"
- synonyms: bus, jalopy

Bestow in large quantities.
- usage: "He heaped him with work"; "She heaped scorn upon him"
Arrange in stacks.
- usage: "heap firewood around the fireplace"; "stack your books up on the shelves"
- synonyms: stack, pile
Fill to overflow.
- usage: "heap the platter with potatoes"

(v.t.) To collect in great quantity; to amass; to lay up; to accumulate; -- usually with up; as, to heap up treasures.
(n.) A crowd; a throng; a multitude or great number of persons.
(v.t.) To form or round into a heap, as in measuring; to fill (a measure) more than even full.
(v.t.) To throw or lay in a heap; to make a heap of; to pile; as, to heap stones; -- often with up; as, to heap up earth; or with on; as, to heap on wood or coal.
(n.) A great number or large quantity of things not placed in a pile.
(n.) A pile or mass; a collection of things laid in a body or thrown together so as to form an elevation; as, a heap of earth or stones.

Webster's Revised Unabridged Dictionary