Finally, The Interpretation Act 1978 provides definitions of some commonly used words within Legislation. For example: Land - includes buildings and other structures, land covered with water, and any estate, interest, easement, servitude or right in or over land; and Month - clear calendar month. The Act also implies that, unless stated otherwise; Words referring to feminine gender (female) also include masculine (male); Words referring to masculine gender (male) also include feminine (female); Words in singular include plural, words in plural include singular.