address (v), to deal with or discuss something, concentration (n), the ability to think carefully about something you are doing and nothing else, development (n), the steady growth of something so that it becomes more advanced, stronger, etc., expert (n), a person with special knowledge, skill, including (adj), having something as part of a group or set, measure (v), to find the size, quantity, etc. of something, particularly (adv), especially; more than usual, protest (n), the expression of strong dislike of or opposition to something, scientific (adj), involving science; connected with science, use (v), to do something with a machine, a method, an object, etc. for a purpose

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