These are underlined and highlighted in puce. Conventionally, they are capitalized, and may be underlined and/or bolded. Some examples of noun phrases are underlined in the sentences below. This act underlined the declining importance of that city. In the quoted section, the stressed syllables have been underlined. All letters and numbers are underlined or italicised. The auxiliary verbs are in bold and the main verb is underlined. The header is shown in bold and the checksum is underlined. To indicate a classifier scope for a member, its name must be underlined. In the sentences below, the class prefixes are underlined. In each step, the key under consideration is underlined. The correct digits are underlined in the above example. The letter "o" may also be underlined. The modal verbs are underlined in the following table. Conversely, and just as usefully, it underlined their differences.