わかりやすい (translations)→ clarity plain simple straightforward visible
わざわざ (translations)→ bother calculated careful carefully deliberately especially insist intentionally needlessly obligingly purposely solemnly special specifically
意味ありげな (translations)→ sly subtle suggestive
意味ありげに (translations)→ knowing knowingly mischievously suggestively
公式の (translations)→ authoritative authorized ceremonious formal official
充実した (translations)→ favorite full pleasantly productive satisfying scrupulously useful