Lighting for Fashion & Portrait Photography
Light is the one tool that touches everything else. Learn to read it and most of the picture takes care of itself.

If a young photographer asked me where to spend their attention, I would say light, and then light again. Camera bodies and lenses are commodities now; the way you shape light is still the signature that separates one photographer's work from another's.
Read it before you shape it
Before adding a single light, I read what is already there: its direction, its hardness, its colour. Most of the time the available light is telling you what the picture wants to be. Hard light is drama and edge; soft light is intimacy and skin. Neither is correct — they are choices, and the choice should follow the feeling you are after, not a default.
One light, understood
The most common mistake is too many lights, each cancelling the others. A single source you fully understand will out-photograph an elaborate rig you are fighting. I often build from one key and let shadow do half the work, because shadow is where dimension and mood live. What you choose not to light is as expressive as what you do.
Light for the emotion
The technical targets — exposure, ratio, falloff — are only ever in service of a feeling. A beauty campaign wants flattering, even light; a moody editorial wants risk and contrast. When the lighting matches the emotion of the brief, the picture clicks into place and everything downstream, from styling to retouch, gets easier.