Terri is an expert at email correspondence. She is particularly adept at conveying the exact emotion that she wishes to convey, judging whether her message should be formal or informal, as well as being consistent with the verbal style of the sender. Thus, she is exhibiting a. situational leadership. b. online leadership. c. charismatic leadership. d. transformational leadership. e. transactional leadership.

# Brief Explanations: <br />Terri's adeptness at digital communication, especially in email correspondence, makes her capable of being a leader in the online world. This particular skill set of hers is a strong demonstration of 'online leadership.' Neither the situational, charismatic, transformational nor transactional theory describes her skillset sufficiently. The situational and transactional theories emphasize adapting to situations and clear exchanges for tasks completed, respectively. Charismatic leadership needs in-person dynamism, while the transformational theory emphasizes inspiring and stimulating others towards excellence and long-term success.<br /># Answer: <br />b. online leadership.