(Note: this is a collection of the meanings attributed to the cards by some occultists in the past centuries. It does not reflect my own study or opinion of the cards. It is only meant as a quick comparative reference as I develop my own take.)

Paul Foster Case (and Ann Davies)
The time period is the third decanate of Capricorn, under the rulership of Mercury, January 10 to 19.
Well-Dignified: opportunities for public service; an acute, sharp, penetrating, tactful temperament; economy in the arrangement of material affairs; activity in money matters.
Ill-Dignified: dangers to reputation; troubles through changes not carefully considered; desire for money, but unwisdom in its management; the Querent will meet with sharp criticism.
Keyword: Management.
(From the Oracle of Tarot course)
A. E. Waite
A crowned figure, having a pentacle over his crown, clasps another with hands and arms; two pentacles are under his feet. He holds to that which he has. Divinatory Meanings: The surety of possessions, cleaving to that which one has, gift, legacy, inheritance. Reversed: Suspense, delay, opposition.
(From The Pictorial Key to the Tarot)
Aleister Crowley
As to the Disks, the heaviness of the symbol rather outweighs any considerations of its weakness. The card is called Power. It is the power which dominates and stabilizes everything, but manages its affairs more by negotiation, by pacific methods, than by any assertion of itself. It is Law, the Constitution, with no aggressive element.
[…]
The Four, Chesed, shows the establishment of the Universe in three dimensions, that is, below the Abyss. The generating idea is exhibited in its full material sense. The card is ruled by the Sun in Capricornus, the Sign in which he is reborn. The disks are very large and solid; the suggestion of the card is that of a fortress. This represents Law and Order, maintained by constant authority and vigilance. The disks themselves are square; revolution is very opposite to the card; and they contain the signs of the Four Elements. For all that, they revolve; defence is valid only when violently active. So far as it appears stationary, it is the “dead centre” of the engineer; and Capricornus is the point at which the Sun “turns again Northward”. The background is of deep azure, flecked yellow, suggesting a moat; but beyond this is a pattern of green and indigo to represent the guarded fields whose security is assured by the fortress.
In the Yi King, Sol in Capricornus is represented by the Second Hexagram, Khwan, which is the Female Principle. Compare the English word Queen, Anglo-Saxon Cwen, old Mercian Kwoen. Cognate are Icelandic Kvan, Gothic Kwens, woman. The Indo-Germanic type is g (w)eni and the Sanskrit root GwEN. Note also Cwm, coombe, and agnate words, meaning an enclosed valley, usually with water running from it. Womb—possibly a softened form?
Compare also the innumerable words, derived from the root Gas, Which imply an enclosed and fortified space. Case, castle, chest, cyst, chaste, incest and so on.
The primary radicle in all this class of words is the guttural. Observe the Hebrew attributions: Gimel, the moon; Cheth, Cancer, the house of the moon; Kaph, the Wheel; Qoph, the Moon, XVIII, Guttur, the throat. Sounds so made suggest the other throat; one is the channel of respiration and nutrition, the other of reproduction and elimination.
(From The Book of Thoth)

Golden Dawn’s Book T
A HAND holding a branch of a rose tree, but without flowers or buds, save that in the centre is one fully blown white rose. Pentacles are disposed as on the points of a square; a rose in its centre. Symbols Sun and Capricorn above and below to represent the Decan.
Assured material gain: success, rank, dominion, earthy power, completed but leading to nothing beyond. Prejudicial, covetous, suspicious, careful and orderly, but discontented. Little enterprise or originality. According to dignity as usual.
Chesed of HB:H (Gain of money or influence: a present).
Herein do HB:KVQYH and HB:MNDAL bear rule
Etteilla
Benefit
Upright. This blade, as far as the medicine of the spirit is concerned, means, in its natural position: Present, Gift, Generosity, Beneficence, Liberality, Strenna, Grace, Offering, Giving, Gratification, Service. – White color, Lunar medicine, Stone to white.
Reversed. Enclosure, Circuit, Circumvolution, Circumscription, Circumference, Circle, Circulation. – Intercept, Obstruction, Engorgement, Hoarding, Cloister, Monastery, Convent. – Stop, Fixed, Determined, Definite, Extremity, Boundaries, Limits, Terms, End, Barrier, Dividing wall, Wall, Hedge, Wall. – Obstacles, Bars, Impediment, Suspension, Delay, Opposition.
MQS
