(Psa 50:1 KJV) A Psalm of Asaph. The mighty God [el' 'elohiym], even the LORD, hath spoken, and called the earth from the rising of the sun unto the going down thereof.
elohiym [H430] (noun) "God, His majesties" (always used in plural form.) The picture behind this word is of a finely cut and many faceted stone. As the stone is rotated, each facet catches the light, revealing previously unseen and beautiful qualities of the stone. When applied to Yahveh, it is a description of the beauty of His infinitely facteted nature that is revealed to us as we live in intimacy with Him. It is the beauty of His Holiness, Righteousness, Mercy, Love, Peace, etc... that we discover as we grow in our relationship with Him.
Because 'El is a noun in Hebrew, and thus its usage should not include the "flower" used in the definition of Hebrew verbs (although some scholars have determined that nouns used to describe Yahveh can include flower because He is perfect and thus every aspect of describing nouns applies), a good English translation of "'El" is "Mighty Hero."
Firstly, the "secret place" of the most High refers to "hidden, private, within the vail (as referring to the Most Holy Place within the Tabernacle or Temple), also referring to protection or defense as used in Psalm 91:1" This denotes a place of extreme intimacy with Yahveh, the chamber of consummation shared by a groom and His bride, where the vail was removed and intimate (face to face with no restriction) access enjoyed.
For those who dwell--(1) TO SIT, TO SIT DOWN (used in various applications); (2) to remain, abide (followed by the dative of a person, "to remain for someone" i.q. to expect him; (3) to dwell (in), to inhabit in the secret place of Yahveh also abide beneath the shadow (a roof which affords shade and protection, hence spoken of protection and defense) of Shadday...