ʿĀlam al-mulk and ʿālam al-malakūt: the world we see and the unseen world it copies
Al-Ghazali paired these words for the visible world and the world standing behind it. Anything people make resembles something it cannot hold, the way a photograph resembles a person. Someone who takes this in stops treating the building as the destination and starts reading it as a sign that points on.
My earth and My heaven cannot hold Me, but the heart of My believing servant holds Me: God is met inside a person
Sufis repeat this line as words spoken by God. A person can raise the finest structure and still find that the meeting happens somewhere with no address. Closeness stops being measured by how holy a room feels and starts being measured by what is happening in whoever stands in it.
Ḥijāb: veil, whatever stands between a person and God
Al-Ghazali wrote that veils can be woven of light as well as darkness. Beautiful things hold the eye, and a place kept for God can quietly become the last place a person looks. Someone who catches this keeps using the outward forms and stops taking comfort in them as arrival.
Wajh Allāh: the Face of God, His presence turned toward us
The Quran says everything passes away except the Face of God. Anything a person builds for God is a small picture of standing before that, and the picture was always the smaller thing. The pull someone feels in worship runs toward that presence, not toward the room they happen to be in.
Al-Insān al-Kāmil: the complete human being
Ibn Arabi used this for the person in whom God's qualities are fully gathered, standing where God and creation meet. What comes to the world comes through such a person, the way water reaches a field through one channel. Someone who cannot picture themselves before God finds that a person is already there, holding their place.
Shafāʿa: intercession, one person asking on another's behalf
The Prophet is described standing for his community and asking on their behalf. A person who knows their own prayers are thin or distracted can start to panic, as if everything rested on how well they showed up. Learning that someone else already speaks for them takes that weight off, and their own turning toward God keeps its worth.