Florez (1999) highlights the following skills underlying speaking:
xUsing grammar structures accurately;
xAssessing characteristics of the target audience, including shared
knowledge, status and power relations, or differences in perspectives;
xSelecting vocabulary that is understandable and appropriate for the
audience, the topic being discussed, and the setting in which the speech act
occurs;
xApplying strategies to enhance comprehensibility, such as emphasizing
key words, rephrasing, or checking for listener's comprehension;
xPaying attention to the success of the interaction and adjusting components
of speech such as vocabulary, rate of speech, and complexity of grammar
structures to maximize listener's comprehension and involvement.