In grammar, the term particle (abbreviated PTCL) has a traditional meaning, as a part of speech that cannot be inflected, and a modern meaning, as a function word associated with another word or phrase to impart meaning. Although a particle may have an intrinsic meaning, and indeed may fit into other grammatical categories, the fundamental idea of the particle is to add context to the sentence, expressing a mood or indicating a specific action. In English, for instance, the phrase 'oh well' has no purpose in speech other than to convey a mood. The word 'up' would be a particle in the phrase to 'look up', implying that one researches something rather than simply gazing skywards. Many languages use particles, in varying amounts and for varying reasons. In Hindi, for instance, they may be use