clean [kleen] -er, -est, adverb, -er, -est, verb –adjective
1. characterized by a fresh, wholesome quality: the clean smell of pine.
2. free from all writing or marking: a clean sheet of paper.
3. complete; unqualified: a clean break with tradition.
4. free from roughness or irregularity: He made a clean cut with a razor.
sim·ple [sim-puhl] -pler, -plest, noun –adjective
1. easy to understand, deal with, use, etc.: a simple matter; simple tools.
2. not elaborate or artificial: a simple style.
3. not ornate or luxurious: a simple gown.
4. not complicated: a simple design.
ef·fec·tive [i-fek-tiv] –adjective
1. producing the intended or expected result: effective steps toward peace.
2. creating a deep or vivid impression; striking: an effective photograph.
3. able to accomplish a purpose: an efficient secretary.
4. exerting force or influence: the law is effective immediately.
de·sign [di-zahyn] –verb (used with object)
1. to plan the form and structure of: to design a new bridge.
2. the combination of details or features of a picture, building, etc.: the design on a bracelet.
3. to intend for a definite purpose: a scholarship designed for foreign students.
4. to assign in thought or intention; purpose: he designed to be a doctor.