A lot more in the literal sense, a little less in the philosophical sense.
God's Salvation through His Son isn't a mystical thing. Our spirit inside these flesh bodies connected with the "silver cord" of Eccl.12 isn't a philosophical wondering either. It's real, it's just not of this earthly dimension. There's another dimension of existence, and all Christians believe it exists because that is where our Heavenly Father, His Son, and the angels dwell today. It's those who don't understand the simplicity of this that instead try to make a religion out of it. It's not about religion. It's about reality. Christianity isn't a religion, it is God's Truth, Reality. Illiterate men are the ones who create religion and try to appear holy.
So why is it so many brethren have a difficult time understanding that one day in the future, either at flesh death, or at Christ's coming, we also will be in that heavenly dimension, but while on earth (Rev.5:10).
Gen 18:1-8
18:1 And the LORD appeared unto him in the plains of Mamre: and he sat in the tent door in the heat of the day;
2 And he lift up his eyes and looked, and, lo, three men stood by him: and when he saw them, he ran to meet them from the tent door, and bowed himself toward the ground,
3 And said, My Lord, if now I have found favour in thy sight, pass not away, I pray thee, from thy servant:
4 Let a little water, I pray you, be fetched, and wash your feet, and rest yourselves under the tree:
5 And I will fetch a morsel of bread, and comfort ye your hearts; after that ye shall pass on: for therefore are ye come to your servant. And they said, So do, as thou hast said.
6 And Abraham hastened into the tent unto Sarah, and said, Make ready quickly three measures of fine meal, knead it, and make cakes upon the hearth.
7 And Abraham ran unto the herd, and fetcht a calf tender and good, and gave it unto a young man; and he hasted to dress it.
8 And he took butter, and milk, and the calf which he had dressed, and set it before them; and he stood by them under the tree, and they did eat.
KJV
That was Jesus Who appeared to Abraham at his tent door, along with the two angels He would later send to save Lot and his family (Gen.19). They all appeared to Abraham with the image of man, even though they were not in flesh bodies. Our Lord Jesus hadn't been born in the flesh yet back then.
Yet they ate and drank material food and drink of the earth. How is that, since they didn't have flesh bodies? It's because the spiritual body is able to live upon this earth. It just isn't of the same dimension of earthly matter. It's a body of Spirit.