letter of application are:
Layout: It should follow the
pattern.Organization: Should be organized into clear paragraphs with an
appropriate beginning and ending.
Content: It should mention the source of information about the
vacancy, reasons for applying for a position, short
introduction about yourself, reasons why you think you
are suitable for the position, relevant experience ( if
possible), information about how to contact you.
Register: It is formal.
Tone: Serious, positive, enthusiastic.