Key terms & definitions

Digits that communicate the precision of a number, counted from its first non-zero digit.

A period or event that matters because of the extent of activity, development or lasting change associated with it.

The closing expression before the writer’s name, such as ‘Yours sincerely’.

An observable feature that suggests a plant is unhealthy, such as leaf spots or stunted growth.

A word or phrase that helps the audience follow the direction of an argument, such as ‘However’ or ‘The next step’.

Language that helps an audience follow the direction of an argument, such as ‘Yet there is another side to this’.

Ethical conduct: training in behaviour that avoids harm, including right speech, right action and right livelihood.

Cinema made without synchronised recorded dialogue, relying chiefly on images, performance and editing to communicate its stories. Screenings were often accompanied by live music.

Nixon’s term for Americans who did not join public protests and whom he appealed to for support for his Vietnam policy.

A film without synchronised recorded dialogue. Performances could be accompanied by live music, with written captions explaining speech or events.

A prison regime in which prisoners could work alongside others but were forbidden to communicate, with strict discipline and monotonous labour.

The overall outline of a garment.

A dark outline of a person or object seen against a brighter background, with little detail visible within it.

Silicon dioxide, $\mathrm{SiO_2}$: a substance made from silicon and oxygen atoms in a giant covalent structure.

A chain of spiritual teaching passed from teacher to disciple within a Sufi tradition.

The accumulation of sediment in a river or harbour, reducing the depth of its water.

A British people in South Wales who resisted Roman conquest and were subdued during Frontinus’ governorship.

A joining process using a silver-containing filler alloy and heat, without melting the parent metals.

A Jewish ceremony welcoming and naming a baby girl.

Shapes whose corresponding angles are equal and whose corresponding lengths are in the same ratio.

Figures that have the same shape: corresponding angles are equal and corresponding lengths are in a constant ratio.

The relationship between figures that have the same shape; corresponding angles are equal and corresponding sides are in the same ratio.

A shape with equal corresponding angles and corresponding side lengths in a constant ratio to another shape.

Shapes with the same shape but possibly different sizes, whose corresponding lengths are all in the same ratio.

Shapes that have the same proportions but may be different sizes.

Shapes whose corresponding angles are equal and whose corresponding lengths are all in the same ratio.

Triangles with equal corresponding angles and proportional corresponding side lengths.

A comparison using ‘like’ or ‘as’, which helps a reader understand one thing through another.

A comparison using ‘like’ or ‘as’ to connect one thing with another.

A comparison using ‘like’ or ‘as’, often extending a battlefield action into an image drawn from animals, nature or everyday life.