1. Lexical semantic
   1. To represent
      1. The meaning
         1. Each word
            1. In a language
   2. To show
      1. How the meanings
         1. of words
            1. in a language
2. Entailment
   1. A reflection
      1. Lexical knowledge
3. Logical word
   1. Different categories
      1. Of words
         1. Semantic description
            1. For example:
            2. Names
            3. Common nouns
            4. Pronouns
4. Orthographic words
   1. words can be identified
      1. At the level of writing
         1. where we are familiar with them
            1. Being separated by white space
   2. They can also be identified
      1. At the level of phonology
         1. Where they are strings of sounds
            1. May show internal structuring
5. lexical entry
   1. Lexemes or senses
      1. The lexicographer
         1. Tries to group words
            1. Depending:
            2. Grammatical properties
            3. Phonological properties
6. Phrasal verbs
   1. Is the existence
      1. Of multi-word units
   2. A string of words
      1. Can correspond to a single semantic unit
7. idioms
   1. Expressions
      1. Where the individual words
         1. Have ceased to have
            1. Independent meanings
8. Collocation
   1. Is the tendency
      1. For words
         1. To occur together repeatedly
9. Ambiguity
   1. Is more potential than real
      1. Usually they involve inventing
         1. A sentence and a context
10. Zeugma
    1. Is a feeling of oddness or anomaly
       1. When two distinct senses of a word
          1. Are activated at the same item
             1. In the same sentence
             2. By conjunction