The Dark Lady is a mysterious and complex figure who appears in the latter portion of Shakespeare's sonnet sequence (sonnets 127–152). She is contrasted with the Fair Youth, representing a more turbulent, illicit, and earthly form of desire compared to the idealized love expressed earlier in the collection.

A.C. Bradley, in his seminal work 'Shakespearean Tragedy' (1904), famously explored the internal psychological makeup of Shakespeare's tragic heroes. He argued that the tragic outcome is not merely a result of external fate but is deeply rooted in the character's own nature and choices. This focus on character analysis became a cornerstone of 20th-century Shakespearean criticism, emphasizing that 'character is destiny' in the context of the tragic flaw.

'Titus Andronicus' is one of the earliest tragedies written by William Shakespeare, likely composed in the early 1590s. It is a violent and revenge-driven play that showcases Shakespeare's early experimentation with the conventions of the Roman tragedy and the influence of contemporary playwrights like Thomas Kyd and Christopher Marlowe, who were known for their sensationalist dramatic styles.

The term 'bowdlerize' is derived from Thomas and Henrietta Bowdler, who published 'The Family Shakespeare' in 1807. Their goal was to produce an edition of Shakespeare's plays that could be read aloud in a family setting without embarrassment. Consequently, they systematically removed or altered any passages they deemed offensive, vulgar, or sexually suggestive, leading to the modern usage of the term to describe the censorship of literary works.

Hamnet Shakespeare was the only son of William Shakespeare and Anne Hathaway. He was born in 1585 and died in 1596 at the age of eleven. His untimely death is often cited by scholars as a potential emotional catalyst for the themes of grief and loss found in Shakespeare's later works, particularly in the tragedy Hamlet, though the name Hamlet itself has different etymological roots.

In the poem, Adonis is a young man who is obsessed with hunting and rejects the romantic advances of the goddess Venus. His death occurs when he is gored by a wild boar while out hunting. This tragic event serves as the climax of the poem, highlighting the dangers of his obsession and the futility of his rejection of love.

Ophelia is the daughter of Polonius, the Lord Chamberlain to Claudius. Her tragic arc, influenced by her father's political machinations and her complex relationship with Hamlet, serves as a poignant sub-plot. Her eventual descent into madness and death highlights the destructive impact of the corruption within the Danish court on the innocent members of the nobility.

William Shakespeare is widely referred to as the 'Bard of Avon' because he was born and raised in Stratford-upon-Avon, a town located on the River Avon in England. The term 'Bard' signifies a poet or storyteller, and this title highlights his enduring status as the greatest writer in the English language and his deep connection to his hometown.

W.H. Auden wrote an influential essay titled 'Macbeth and Oedipus' which explores the psychological and archetypal connections between Shakespeare's tragic hero and the classical Greek figure. While other critics like Ernest Jones have written extensively on Hamlet and Oedipus, Auden's specific essay addresses the thematic parallels in Macbeth. Note: Some academic sources attribute similar psychoanalytic studies to other figures, so this answer reflects a specific critical perspective.

In the opening line of Sonnet 18, 'Shall I compare thee to a summer’s day?', Shakespeare establishes the central metaphor of the poem. He proceeds to argue that his beloved is more temperate and constant than the season of summer, which is prone to extremes and fleeting beauty. The poem serves as a testament to the power of art to immortalize the subject's beauty against the ravages of time.