Extracted from the excellent English(!) version of the Wikipedia article.

it refers to the five aggregates of clinging, the five material and mental factors that take part in the rise of craving and clinging.

1. form
   matter, body or “material form” of a being or any existence
2. sensation
   sensory experience of an object. It is either pleasant, unpleasant or neutral.
3. perception
   ensory and mental process that registers, recognizes and labels (for instance, the shape of a tree, color green, emotion of fear)
4. mental formations
   l types of mental imprints and conditioning triggered by an object. Includes any process that makes a person initiate action or act.
5. conciousness
   awareness of an object and discrimination of its components and aspects.

form

matter, body or “material form” of a being or any existence

sensation

sensory experience of an object. It is either pleasant, unpleasant or neutral.

perception

sensory and mental process that registers, recognizes and labels (for instance, the shape of a tree, color green, emotion of fear)

mental formations:

all types of mental imprints and conditioning triggered by an object. Includes any process that makes a person initiate action or act.

conciousness

Awareness of an object and discrimination of its components and aspects.

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