Translation of "purpose" into Sinhala

Meanings are used for two purposes. First if word has multiple meanings they help to distinguish the correct sense. Second it allows other translators to extend current pair by adding translation to new language. Let me give you an example: Imagine you've added translation: English 'hi' (meaning: 'Informal greeting') with Spanish 'hola' (meaning: 'Saludo informal'), other contributor not knowing Spanish but knowing English and Polish may add 'cześć' (meaning: 'Nieformalne powitanie') to this pair. This will create not only 'hi'-'cześć' translation, but also 'hola'-'cześć' at once. Isn't it cool? Next contributor may crate three