The Benin Art originated from the Benin Kingdom of old Edo empire, however, today, it is in under the South-South region of Nigeria. Some fo Benin artifacts are also found in the British museums.
The brass plaques was primarily produced for the Royal court of their spiritual and paramount ruler popularly know as the Oba of Benin. As to the technique used by the artists to make the Oba stand out. The artists made the Oba the biggest of all the other figures and then placed the Oba in the center of the plaque. The Oba was adorned with more details such as royal clothing and jewelry. The rest of the figures were smaller and had fewer details, this made the Oba of Benin stand out.
Lady Macbeth's main character flaw is her narcissism. She is devoid of empathy, she is cruel, selfish, driven by power and greed and a master of manipulation. She is able to control her husband Macbeth into doing whatever she wants for her own gain. For Macbeth his main flaw was his misguided ambition, he wanted to be King but allowed himself to be easily manipulated by his wife and other characters ie. the witches, he lacked confidence in himself and gave into the will of others.
If you mean counting triplets as in how to write them then you write them as you would any normal triplet. A quaver triplet would be a crotchet and a crotchet triplet would be a minim (although crotchet triplets aren't used much)