Word be placed: In languages with a literary tradition, there is interrelation between orthography and the question of what is considered a single word. Word separators (typically spaces) are common in modern orthography of languages using alphabetic scripts, but these are (excepting isolated precedents) a relatively modern development (see also history of writing). In English orthography, compound expressions may contain spaces. For example, "ice cream", "air raid shelter" and "get up" each are generally considered to consist of more than one word (as each of the components are free forms, with the possible exception of "get"). Not all languages delimit words
Word order order occur due to topicalization or in questions. However, most languages are generally assumed to have a basic word order, called the unmarked word order; other, marked word orders can then be used to emphasize a sentence element, to indicate modality (such as an interrogative modality), or for other purposes. For example, English is SVO (subject-verb-object), as in "I don't know that", but OSV is also possible: "That I don't know." This process is called topic-fronting (or "topicalization") and is common. In English, OSV is a "marked word order" because it emphasises the object, and is often accompanied by a